11913590128 has 40 divisors (see below), whose sum is σ = 25412056560. Its totient is φ = 5365578240.

The previous prime is 11913590111. The next prime is 11913590131. The reversal of 11913590128 is 82109531911.

11913590128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×11913590128³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291325 + ... + 329692.

It is an arithmetic number, because the mean of its divisors is an integer number (635301414).

Almost surely, 2^11913590128 is an apocalyptic number.

It is an amenable number.

11913590128 is an abundant number, since it is smaller than the sum of its proper divisors (13498466432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11913590128 is a wasteful number, since it uses less digits than its factorization.

11913590128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621145 (or 621139 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 40.

The spelling of 11913590128 in words is "eleven billion, nine hundred thirteen million, five hundred ninety thousand, one hundred twenty-eight".